condition	mean	min	max
4 h after light	8.267936666666666	8.146239999999999	8.45669
8 h after light	8.096203333333333	7.8110800000000005	8.32119
12 h after light	8.05617	7.903580000000001	8.13728
4 h after dark	7.45318	7.3591	7.520789999999999
8 h after dark	7.833679999999999	7.699139999999999	7.96045
12 h after dark	7.4305666666666665	7.34916	7.51421